Home / 42,115.17-58,126.38-25,120.44

Finding the Fourth Proportional to 42,115.17, 58,126.38 and 25,120.44

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Solution

The fourth proportional to 42,115.17, 58,126.38 and 25,120.44 is: 34,670.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,115.17 : 58,126.38 = 25,120.44 : x
  2. Step 2: Convert to fraction form
    42,115.17/58,126.38 = 25,120.44/x
  3. Step 3: Cross multiply
    42,115.17x = 58,126.38 × 25,120.44
  4. Step 4: Simplify right side
    42,115.17x = 1,460,160,241.21
  5. Step 5: Solve for x
    x = 1,460,160,241.21/42,115.17
  6. Step 6: Final answer
    x = 34,670.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.